7'' DuraFlex Smooth Wall Basic Kit with 30' Flexible Stainless Steel Chimney Liner - 7DFSW-30K

DuraFlex SW is a smooth inner-wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777 (MH45609).

Kit includes: DuraFlex SS Top Plate, DuraFlex SS Cap, DuraFlex SS Connector, and DuraFlex SW 30 Foot length.

See all 7" DuraFlex SS chimney liner components.

DuraFlex SS relining systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation. DuraFlex is available in 304 and 316Ti stainless steel. The 304 and 316Ti SS are designed for use with pellet, non-condensing gas, and oil appliances. DuraFlex SS and 316Ti SS, when used with the Simpson DuraVent Two-Ply Insulation Sleeve, may be used for relining wood burning fireplace inserts and stoves to meet UL 1777 standards with 0" clearance to masonry.

  Installation Instructions

• 7" Diameter
• Listed to UL 1777 (MH45609)
• 0" clearance for gas, oil, and pellet applications
• 1" clearance to masonry for wood-burning applications
• Construction materials: Single-wall .005'' overlapped 316 stainless steel (totalling .010"). Overlapped to create smooth inner wall.
• Kit includes: DuraFlex SS top plate, DuraFlex SS cap, Duraflex SS connector, and DuraFlex SW 30' liner length

WARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to http://www.P65Warnings.ca.gov.